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When Crocs Thrived in the Seas

When Crocs Thrived in the Seas

Season 3 Episode 41
9:08
How To Survive the Little Ice Age

How To Survive the Little Ice Age

Season 3 Episode 42
10:00
When Trees Took Over the World

When Trees Took Over the World

Season 3 Episode 43
7:28
How Weasels Got Skinny

How Weasels Got Skinny

Season 3 Episode 44
9:01
Where Are All The Squid Fossils?

Where Are All The Squid Fossils?

Season 3 Episode 45
7:21
Did These Giant Sloths Poop Themselves to Death?

Did These Giant Sloths Poop Themselves to Death?

Season 4 Episode 1
10:01
The Traits That Spawned the Age of Mammals

The Traits That Spawned the Age of Mammals

Season 4 Episode 2
7:44
The Island of the Last Surviving Mammoths

The Island of the Last Surviving Mammoths

Season 4 Episode 3
8:06
Where Are All the Medium-Sized Dinosaurs?

Where Are All the Medium-Sized Dinosaurs?

Season 4 Episode 4
11:01
How the Starfish Got Its Arms

How the Starfish Got Its Arms

Season 4 Episode 5
10:53
The Creature That Stumped Darwin

The Creature That Stumped Darwin

Season 4 Episode 6
6:46
How Pollination Got Going Twice

How Pollination Got Going Twice

Season 4 Episode 7
9:32
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Eons

How Chilis Got Spicy (and Why We Love the Burn)

Season 3 Episode 40

Today, chilis are the most widely cultivated spice crop in the world - grown everywhere from their native home in the Americas to Europe, Africa, and Asia. But how and why did chilis evolve this weird, fiery trick in the first place? And why did we learn to love that spicy burn?
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How Dinosaurs Coupled Up
7:49
Season 4 Episode 12
How Dinosaurs Coupled Up
We learn about Dinosaur mating behavior from fossil records.
How Ancient Whales May Have Changed the Deep Ocean
10:05
Season 4 Episode 11
How Ancient Whales May Have Changed the Deep Ocean
Here's how the evolution of ocean-going whales affected deep-ocean communities.
When Mammals Only Went Out At Night
11:09
Season 4 Episode 10
When Mammals Only Went Out At Night
Scientists discover dinosaurs and tiny mammals' sleep habits are different than thought.
How a Mass Extinction Event Created the Amazon
7:55
Season 4 Episode 9
How a Mass Extinction Event Created the Amazon
The history of how the Amazon's revolution began in just one day.
How a Supervolcano Ignited an Evolutionary Debate
9:59
Season 4 Episode 8
How a Supervolcano Ignited an Evolutionary Debate
Discover the effects of the Toba supervolcano.
How Pollination Got Going Twice
9:32
Season 4 Episode 7
How Pollination Got Going Twice
Pollination by insects actually got going twice.
The Creature That Stumped Darwin
6:46
Season 4 Episode 6
The Creature That Stumped Darwin
The Toxodon fossils help reveal the mystery surrounding evolution.
How the Starfish Got Its Arms
10:53
Season 4 Episode 5
How the Starfish Got Its Arms
The Story of How the Starfish Got its Arms Reminds us that Animals have Deep Histories.
Where Are All the Medium-Sized Dinosaurs?
11:01
Season 4 Episode 4
Where Are All the Medium-Sized Dinosaurs?
Learn More about the Very Rare Medium-Sized Dinosaurs.
The Island of the Last Surviving Mammoths
8:06
Season 4 Episode 3
The Island of the Last Surviving Mammoths
The very last mammoths that ever lived experienced what’s known as a mutational meltdown.
The Traits That Spawned the Age of Mammals
7:44
Season 4 Episode 2
The Traits That Spawned the Age of Mammals
Some Mammal Traits Show Up a Lot Earlier and in Things That Weren’t Mammals at All.
Did These Giant Sloths Poop Themselves to Death?
10:01
Season 4 Episode 1
Did These Giant Sloths Poop Themselves to Death?
Find out if Sloths Really Did Poop Themselves to Death.
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